CKA Exam Dumps : Certified Kubernetes Administrator (CKA) Program

Check the image version in pod without the describe command

Score: 7%

Task

Create a new NetworkPolicy named allow-port-from-namespace in the existing namespace echo. Ensure that the new NetworkPolicy allows Pods in namespace my-app to connect to port 9000 of Pods in namespace echo.

Further ensure that the new NetworkPolicy:

• does not allow access to Pods, which don't listen on port 9000

• does not allow access from Pods, which are not in namespace my-app

For this item, you will have to ssh to the nodes ik8s-master-0 and ik8s-node-0 and complete all tasks on these nodes. Ensure that you return to the base node (hostname: node-1) when you have completed this item.

Context

As an administrator of a small development team, you have been asked to set up a Kubernetes cluster to test the viability of a new application.

Task

You must use kubeadm to perform this task. Any kubeadm invocations will require the use of the --ignore-preflight-errors=all option.

• Configure the node ik8s-master-O as a master node. .
• Join the node ik8s-node-o to the cluster.